Tutorial: DIY Tissue Paper Pom-Poms this tutorial is pretty good. Use square sheets or tissue for a rounder Pom Pom. Tie the middle with ribbon and tied several on ribbon and hung them for a backdrop. Use thin tissue paper and fluff gently.
Lighting made from repurposed glassware: use this link for inspiration. CAUTION if you DIY this project, please make sure your lamp is sturdy and in a spot where if it falls, it won't shatter and harm children or animals.
Recycled jeans notebook or planner. Use a regular notebook, and cut up them jeans that the kids have outgrown. Also a good idea: using a larger notebook and a patch/screenprint from an old favorite shirt.